But it seems that Rihanna overindulged slightly as she marked her performance at the iHeart Radio festival over the weekend.

The 24-year-old singer is reported to have vomited after drinking too much at the 1 OAK Nightclub in Las Vegas.

Maybe you shouldn't have drunk to that? Rihanna is reported to have vomited while partying at the 1 OAK nightlcub in Las Vegas over the weekend

Lady in red: Rihanna showed off her figure in a slinky red dress with spiky heels for the evening out

According to reports, Rihanna had been enjoying the celebrations at the nightspot when she was sick into a napkin.

A source told The Sun: 'She threw up in a napkin. The guy with her handed her a white towel to clean up.'

But the brief illness did little to
stop Rihanna making the most of the evening, and the star was later seen
continuing her evening at the Spearmint Rhino strip club, posting raunchy pictures of herself with a female stripper on her Twitter page

Pouting and posing: Rihanna teamed her outfit with a slick of bright red lipstick and gold jewellery

Multitasking: Rihanna was seen checking her mobile phone and drinking throughout the evening

Slender: Rihanna's red outfit clung to her curves in all the right places for the night out

Party time: Rihanna was seen drinking and dancing alongside rapper Ne-Yo

Earlier in the night, Rihanna was
spotted celebrating her earlier performance as she downed drinks and
danced alongside Ne-Yo inside 1 OAK.

The singer showed off her slim frame in a slinky red dress, which she teamed with a matching pair of red spiky heels.

Rihanna finished off her outfit with lashings of red lipstick and gold jewellery, giving her a sophisticated but sexy look.

Recovered: On Tuesday Rihanna jetted into London following her weekend exploits wearing a jeans and jacket combo with a black and green baseball cap

Casual: She swapped her scarlet frock for a baggy T-shirt and high top studded trainers as she landed back in the British capital

Wrapping up: The pop superstar dressed for the dreary weather in London as she flew in following her party weekend in Vegas

The singer also drew attention to her vast array of tattoos in the revealing outfit.

Rihanna tweeted pictures at the end of the night to her fans, pouting and posing as she showed off her sleek look.

In another shot, she is seen reclining on her hotel bed while enjoying a cigarette.

Taking to the stage: Rihanna's night out came after her performance at the iHeart Radio festival earlier in the day

Do you think I'm sexy? Rihanna frequently shares pictures with fans, and that evening was no different

Lighting up: Rihanna also shared a picture of herself laying on her bed in her hotel room, smoking a cigarette